Hugh Jackman said his starring role in the new film version of Les Miserables, which comes out on Christmas Day, was one of the hardest parts he has played.

The musical was recorded "live" each day, meaning the spent up to twelve hours per day singing. Jackman said:

"It is definitely the biggest challenge I have had, physically it was daunting, anyone who knows musical theatre knows that my character's role Jean Valjean is as hard as it gets, and emotionally it was very difficult. Every day was challenging, but ultimately thrilling"